1. (informal) an adult whose interests and behaviour follow youth culture; someone who hasn't fully grown up

Derived forms: adultescents

• unconstrained
• unconstraint
• unconstricted
• unconstructive
• unconsumed
• unconsummated
• uncontaminated
• uncontaminating
• uncontested
• uncontrived
• uncontrollable
• uncontrollably
• uncontrolled
• uncontroversial
• uncontroversially
• unconventional
• unconventionality
• unconventionally
• unconverted
• unconvertible
• unconvinced
• unconvincing
• unconvincingly
• uncooked
• uncool